Report type: immediate notification
Started: 18 Jan 2022
Confirmed: 27 Jan 2022
Reported: 16 Feb 2022
Reason for notification: recurrence
Date of previous recurrence: 30 Sep 2020
Manifestation of disease: clinical disease
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: laboratory
This event pertains to a defined zone within the country.

Outbreak location: Poultry Research and Training Centre, BASU, Patna,
Bihar
Started: 18 Jan 2022
Epidemiological unit: farm
Affected animals:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 3859 / 900 / 787 / 3072 / 0 /-

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive

Control measures applied in domestic: disinfection; movement control
inside the country; official disposal of carcasses, by-products, and
waste; official destruction of animal products; quarantine; stamping
out; surveillance outside containment and or the protection zone;
surveillance within containment and or the protection zone

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
National Institute of High Security Animal Diseases (NIHSAD), Bhopal,
India (OIE reference laboratory) / birds / real-time reverse
transcription polymerase chain reaction (rRT-PCR) / 27 Jan 2022 /
positive